Apr 23, 2013 2:00am PDT
is detonated. we are also learning about his older brother, tamerlan tsarnaev. in 2009 he was arrested for domestic assault after his girlfriend said he beat her up no last year he openly argued with a preacher at a mosque, telling him holiday celebrations were not allowed by islam. last year he disrupted a sermon by martin luther king calling him a nonbeliever. today marks one week since the attack. from the oval office and around the country a solemn tribute. >> the boston area, most every spot in the city is silent. >> reporter: another step toward normal, boyleston street turned over by federal investigators to the city of boston in the sign of ip ves gags intensity, a tree possibly touched by dzhokhar. taken as evidence. and photos of him, possibly tracking the murder of officer carter. some seriously injured in the hospital, hope. >> nearly all of the patients that have lost legs are already walking the halls with physical therapists. >> reporter: still, grim reminders here just about everywhere. in medford the funeral for krystle campbell. one more step to normal. at 10:00 a.m.
Apr 22, 2013 2:00am PDT
after being warned by the russians in 2011 about cz tsarnaev's older brother, tamer ly tamerlan. nick paton walsh is in dagestan, and we have joe johns in washington, but we began with pamela brown with the latest on the investigation. >>> after a week of terror, chaos and heartache, the city of boston is still recovering. there are signs that life is starting to return back to normal here. there is a sense of relief after the arrest of the suspect, 19-year-old dzhokhar tsarnaev. now the focus is on what charges he will face and when. >> reporter: one week after two deadly bombings exploded in downtown boston killing three and injuring 183 people, the only surviving suspect remains in serious condition. as federal prosecutors prepare to bring charges against him, law enforcement sources say dzhokhar tsarnaev is unable to talk after a gunshot wound to the neck. exactly when he suffered this injury is still unknown. >> this is a complex investigation. and it's hard to say exactly how he received that injury. there was a shootout in watertown. there were explosives thrown. so that's bein